Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Computation of basic and diluted earnings per share

The following table summarizes the computation of basic and diluted EPS:



	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2014			2013			2014			2013
	(In thousands, except per share data)
Net income attributable to Amkor	$	49,521		$	29,727		$	70,154		$	43,109
Income allocated to participating securities	(184		)	(251		)	(269		)	(374		)
Net income available to Amkor common stockholders — basic	49,337			29,476			69,885			42,735
Adjustment for dilutive securities on net income:
Net income reallocated to participating securities	3			58			9			80
Interest on 6.0% convertible notes due 2014, net of tax	132			3,609			1,039			7,626
Net income attributable to Amkor — diluted	$	49,472		$	33,143		$	70,933		$	50,441

Weighted average shares outstanding — basic	232,891			160,886			224,868			156,672
Effect of dilutive securities:
Stock options	1,115			10			609			14
6.0% convertible notes due 2014	2,866			74,215			10,705			78,413
Weighted average shares outstanding — diluted	236,872			235,111			236,182			235,099
Net income attributable to Amkor per common share:
Basic	$	0.21		$	0.18		$	0.31		$	0.27
Diluted	0.21			0.14			0.30			0.21

Antidilutive effect of potential shares of common stock that were excluded from diluted earnings per share

The following table summarizes the potential shares of common stock that were excluded from diluted EPS, because the effect of including these potential shares was antidilutive:



	For the Three Months Ended June 30,		For the Six Months Ended June 30,
	2014	2013	2014	2013
	(In thousands)
Stock options and restricted share awards	1,114	4,092	1,563	4,165